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During a national event, 25% of the attendees are students. If there are 1,600 a

Practice Questions

Q1
During a national event, 25% of the attendees are students. If there are 1,600 attendees, how many are not students?
  1. 1,200
  2. 1,000
  3. 1,400
  4. 1,600

Questions & Step-by-Step Solutions

During a national event, 25% of the attendees are students. If there are 1,600 attendees, how many are not students?
  • Step 1: Understand that 25% of the attendees are students.
  • Step 2: Calculate the percentage of attendees who are not students. This is 100% - 25% = 75%.
  • Step 3: Convert 75% into a decimal. 75% as a decimal is 0.75.
  • Step 4: Multiply the total number of attendees (1,600) by the decimal for non-students (0.75).
  • Step 5: Perform the calculation: 1,600 * 0.75 = 1,200.
  • Step 6: Conclude that there are 1,200 attendees who are not students.
  • Percentage Calculation – Understanding how to calculate a percentage of a total and its complement.
  • Basic Arithmetic – Performing multiplication and subtraction to find the required quantity.
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